
Troubleshooting
Si71-502
54
Troubleshooting
1.19
Damper Motor
Error Detection
Method
Check damper motor and limit switch when damper motor does not operate.
Error Generating
Conditions
Possible Causes
Troubleshooting
Check resistance and voltage — DAMPER MOTOR
NO
YES
YES
Is
measured
value 0
Ω
when limit switch
turns on, and
infinity when
it turns
off?
Damper motor is
normal.
Place tester probes
at connectors of limit
switch, and check
continuity while
moving switch by
hand.
Limit switch is faulty.
Damper motor is faulty.
(HF017)
NO
Is
measured
value of EJ type
approx. 17 k
Ω
?
Place tester probes
on connectors of
damper motor and
check resistance.
(HL038)
Содержание VAM 350GJVE
Страница 7: ...Introduction Si71 502 vi 1 1 1 Cautions in Operation and Maintenance...
Страница 8: ...Si71 502 Introduction vii...
Страница 13: ...General Constructions Si71 502 4 General Constructions...
Страница 29: ...Maintenance Si71 502 20 Maintenance...
Страница 43: ...Circuit Operations Si71 502 34 Circuit Operations...
Страница 103: ...After sales Service Si71 502 94 Operation Manual...
Страница 106: ...Si71 502 Appendix Appendix 97 VAM1500GJVE VAM2000GJVE...
Страница 107: ...Appendix Si71 502 98 Appendix...